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Epidemiology of pediatric psoriasis: a population-based study using two Italian data sources

Francesco Lapi1, Nicoletta Cassano2,3, Elisa Barbieri4

  • 1Health Search, Italian College of General Practitioners and Primary Care, Florence, Italy.

Current Medical Research and Opinion
|August 1, 2023
PubMed

Insights

Pediatric psoriasis affects approximately 0.2% to 0.7% of children. This common skin condition is frequently linked to allergies and other diseases, highlighting the need for early detection by family pediatricians and general practitioners.

Area of Science:

  • Pediatric dermatology
  • Epidemiology of chronic diseases
  • Primary care medicine

Background:

  • Psoriasis in children is a significant concern for primary care physicians.
  • Understanding comorbidities associated with pediatric psoriasis is crucial for effective management.
  • Family pediatricians (FPs) and general practitioners (GPs) play a vital role in identifying and managing pediatric skin conditions.

Purpose of the Study:

  • To determine the incidence and prevalence rates of pediatric psoriasis.
  • To investigate the association between pediatric psoriasis and specific comorbidities.
  • To provide data supporting GPs in managing patients with psoriasis.

Main Methods:

  • A retrospective cohort study utilizing two Italian primary care databases (Pedianet and HSD) from 2015 to 2019.
  • Analysis of patients under 18 years old.
  • Estimation of prevalence and incidence rates, with a case-control design to assess comorbidities.

Main Results:

  • Annual psoriasis prevalence ranged from 0.2% (Pedianet) to 0.5%-0.7% (HSD).
  • Incidence rates varied from 0.47-0.58 to 1.3-1.77 per 1000 person-years.
  • Significant associations were found between psoriasis and allergic rhinitis, asthma, celiac disease, malabsorption disorders, and non-infective skin diseases in one database.

Conclusions:

  • Pediatric psoriasis exhibits varying prevalence and incidence rates across different primary care databases.
  • Specific comorbidities are significantly associated with pediatric psoriasis, necessitating comprehensive patient evaluation.
  • Accurate clinical data registration is essential for GPs to manage psoriasis progression effectively.
Abstract

Keywords:
comorbiditiesepidemiologyincidenceprevalencepsoriasis

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